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Performance & Replacement Transmission & Drivetrain Parts
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Showing In Stock Items. Show All 40 Items.
Dorman Wheel Hub Dust Caps
Dorman wheel hub dust caps are available in a variety of styles and finishes to add a touch of style and added protection to your brake rotors. The caps are offered in nearly a dozen sizes for secure fitment on specific applications. Help prevent dirt and moisture from disturbing your brake components. Order and install the number of dust seals needed.
( 46 )
$3.99
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$15.99
Yukon Gear & Axle Drive Flange Caps
Yukon Gear & Axle drive flange caps are designed to keep your axle sealed up and free from dirt, dust, or other debris that could cause harmful damage. They are manufactured from billet aluminum and bolt in place with countersunk Allen head bolts, sold separately. Order the caps designed to fit your axle application.
Not Yet Reviewed
$158.99
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$542.99
Proform Perfect Launch Differential Covers
You've improved your reaction time and now it's time to inform your competition. Proform Perfect Launch differential covers state the facts with their logo machined on the raised reinforcing surface. These rear-end covers are made of lightweight but tough aluminum and have been specifically designed to add strength to the rear housing case, particularly during heavy torque situations. Precision-milled and painted black, these Perfect Launch covers include two bolts to stabilize bearing main caps, two magnetic drain plugs, and mounting bolts. You can lose a little weight in your rear-end and send a message to your competition with Perfect Launch reinforced differential covers from Proform.
( 122 )
$156.99
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$161.99
Yukon Gear & Axle Hardcore Drive Flange Kits
True blue off-road runners often require drive flanges to withstand the abuse of big power and tall tires. Yukon Gear & Axle Hardcore drive flange kits were conceived to deliver strength and performance over the roughest terrain. A pair of heat-treated 8620 steel flanges, as well as caps, spacers, and all necessary hardware for both sides are included. Yukon Hardcore kits—designed for those who enjoy serious adventures on the trail!
Not Yet Reviewed
$542.99
Yukon Gear & Axle U-Joints
When you don't need a Super Joint, Yukon Gear & Axle also offers other U-joints—including standard, adapter, and lifetime models. But, even though they're not "super," all Yukon universal joints are tough enough to keep your shafts connected and spinning with awesome performance. Order the model designed for your application.
( 23 )
$44.99
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$104.99
SKF Bearings U-Joints
Don't ignore the signs! A clunking and clanging noise, intense vibrations at accelerated speeds ... it could be an indication of a failing U-joint. If that's the diagnosis, here is the solution--replace it with one of the SKF Bearing U-joints. These drivetrain components are engineered from quality materials to meet or exceed OE standards.
( 2 )
$18.99
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$36.99
Yukon Gear & Axle Lifetime Series U-Joints
Yukon Gear & Axle Lifetime Series U-joints will restore smooth, quiet operation of your driveline. Small, but vital parts or your vehicle, Yukon U-joints are built tough to provide the long-lasting, excellent service you want paired with great value. Replace a worn or seized-up universal joint with Yukon Lifetime Series U-joints.
Not Yet Reviewed
$119.99
Spicer Drivetrain Products Life Series U-Joints
Spicer Drivetrain Products Life Series U-joints consistently outperform the rest, so you can hit the road or trail with confidence. Cold-forged from high-quality steel, these SPL universal joints feature synthetic thrust washers, multi-lip seals, and the choice of greaseable or non-greaseable. Get the most out of your rig with Spicer Life Series U-joints. Order the replacement model designed to fit your vehicle.
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$46.99
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$67.99
USA Standard Gear Driveshafts
USA Standard Gear driveshafts are high-quality, direct replacement units to repair your binding, bent, or rusty driveshaft. This critical component keeps the power flowing from transmission or transfer case to your differential. Order the model recommended for your vehicle and engine application. Features include: * 100 percent new components * Slip yokes and U-joints are lubricated with high-temperature grease * Fully assembled for simple out-of-the-box replacement * USA Standard "Perfect Fit" driveshafts are guaranteed for proper fitment and easy installation * Strengthened over common, OE-replacement shafts to prevent failure * Dynamically balanced to ensure smooth operation and long life
( 6 )
$572.99
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$811.99
ACDelco U-Joints
ACDelco U-joints deliver the fit and performance you expect for your vehicle. They will provide pivot points that driveshafts depend on for reliable performance. These replacements are available in different size options. Order the model best suited for your application.
Not Yet Reviewed
$51.99
Rugged Ridge Manual Locking Hubs
Rugged Ridge manual locking hubs are crafted from impact-resistant nodular iron and feature a corrosion-resistant die-cast aluminum cap. They provide better 4WD performance when locked (and improved fuel economy in 2WD when unlocked) than automatic hubs. These hubs don't have the slippage or partial engagement/disengagement issues that plague automatic hubs. They're durable, easy to install, and cost-effective! Order the pair of Rugged Ridge manual locking hubs designed to fit your application.
( 109 )
$199.99
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$309.99
Spicer Drivetrain Products Front Axle Shafts
Spicer Drivetrain Products front axle shafts feature an increased U-joint size that provides 25 percent higher yield strength than original U-joints. They offer unparalleled strength and longer life—the outer stub is re-engineered for added strength; improved snap ring retention reduces shock load failures; and material has been removed from the body and added to the yoke ears (to equalize deflection through the yoke and reduce bearing cap spinning). The axles are made from durable steel, with a micro-alloy improving their strength and a statistically controlled heat treatment ensuring proper hardness. Order the replacement model designed for your vehicle application.
( 131 )
$95.99
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$257.99
ARB Differential Covers
When off-road, encountering obstacles and hazards that could inflict expensive damage to your differential is inevitable. ARB differential covers are made from high-tensile strength nodular iron (tougher and harder than carbon steel); they are engineered to protect the differential and ring and pinion from off-road hazards. Available for a select line of differentials, they are offered in red or black powdercoated finishes. Features of ARB differential covers include: * Computer-optimized, cross brace design increases the structural rigidity of the entire axle * Helps keep the ring and pinion gears meshing on the flat faces of the teeth--greatly increasing ring and pinion life and overall strength * Top-quality, rare earth magnets on both the drain plug and dipstick collect metallic particles * Dipstick magnet allows the oil to be checked for tell-tale signs of internal damage * Prolonged carrier bearing life (especially on high-output vehicles) from improved support of bearing alignment * Approach/departure angles optimized by angled exterior surfaces that minimize hang-ups * Unique dipstick/filler cap design allows differential oil level to be adjusted for rotated differential housings * Low-profile drain plug resists damage from obstacles * High-strength cap screws (included) are recessed into the cover for impact protection
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$209.95
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$219.95
Motive Gear Universal Joint U-Bolt Kits
Machined from steel, Motive Gear universal joint U-bolt kits have a unique design that provides more bearing surface for the universal joint bearing cap. These bearing retainer bolts are available to fit most of the popular U-joint sizes and yokes. Choose the style that's compatible with your vehicle's axle model.
( 4 )
$13.99
GMB U-Joints
GMB U-joints are made to exact OEM standards using high-quality materials. They're designed to meet or exceed the service life of factory U-joints. These replacements feature heavy-duty needle bearings, cold-forged crosses and bearing caps, as well as a special steel composition. The U-joints are available in a wide range of styles. Order the model recommended for your application.
( 27 )
$8.50
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$17.99
Perfection Clutch Master Cylinders
Perfection clutch master cylinders return hydraulic pressure to your clutch system. These OE replacements are developed, manufactured, and tested to meet rigorous OEM standards. They're made from quality materials—such as aluminum, cast iron, and durable plastic—offering strength and long service life. Some models include reservoir, cylinder cap, and pushrod. Hundreds of models are available; order the clutch master cylinder designed to fit your specific application.
( 2 )
$63.99
ACDelco Wheel Bearing Seals
The condition of your wheel bearings plays a critical part in both performance and safety. ACDelco wheel bearing seals are constructed to meet OE specifications and industry-leading quality standards. They feature myriad designs to ensure a precise fit, dependable function, reduced friction, and better fuel economy when accurately matched with your specific application!
Not Yet Reviewed
$3.99
Summit Bucks
Moog Super Strength U-Joints
Moog Super Strength U-joints are precision-manufactured to exacting standards. They have forged and case-hardened alloy steel crosses and heat-treated needle bearings. Cold-formed radial bearing cups provide 360 degree lubrication distribution, while superior-quality seals and a grease fitting make for easy maintenance. In addition, the Super Strength U-joints have an exclusive microshield coating to protect against rust and corrosion. They are available in greasable and non-greasable styles for more than a dozen positions--in universal and vehicle-specific applications.
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$15.99
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$25.99
B&M Differential Covers
B&M differential covers are strong and cool! Cast and machined from premium aluminum alloy, they feature heavy-duty structural cooling fins, a larger fluid capacity, and high-strength magnetic drain plugs that aid in catching ferrous metal particles. B&M differential covers add some strength with extra cooling ability to your rear end.
( 151 )
$299.95
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$549.95
Yukon Gear & Axle U-Joint Strap Kits
Yukon Gear & Axle U-joint straps keep your driveshaft in place. These bearing retainer straps are available to fit most of the popular U-joint sizes and yokes. Choose the style that's compatible with your vehicle's axle model.
( 31 )
$16.99
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$51.99
Summit Bucks
Moog Premium U-Joints
Moog Premium U-joints are precision-manufactured to exacting standards. They have forged and case-hardened alloy steel crosses and heat-treated needle bearings. Cold-formed radial bearing cups provide 360 degree lubrication distribution, while superior-quality seals, and a grease fitting in the cross body make for easy maintenance. The U-joints are available for nearly two dozen positions, in universal and vehicle-specific applications.
( 214 )
$12.99
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$25.99
Yukon Gear & Axle Differential Covers
Yukon Gear & Axle offers a full line of differential covers to suit your front or rear applications. These replacement covers protect your gears, keep lubricating fluid where it's needed—and on some styles, they offer added cooling and/or strength. Their large selection affords you options of materials, sizes, and finishes to get exactly what you need. Order the model recommended for your axle, differential case design, and engine specifications.
( 69 )
$188.99
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$410.99
ACDelco GM Genuine Parts Transmission Vent Tubes
ACDelco GM Genuine Parts transmission vent hose and tubes relieve internal air pressure fluctuations caused by the heating and cooling of the transmission and help to keep out dirt. They are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These true OE parts will provide the same fit and performance as the originals they are replacing.
( 5 )
$3.99
ACDelco Gold Universal Joints
ACDelco Gold universal joints help transmit power from the transmission to the rear or front differential through the driveshaft or prop shaft. They allow for vertical movement of the shaft during its rotation. ACDelco Gold universal joints are premium aftermarket replacement components, manufactured to meet or exceed your expectations for fit and performance. Order the model recommended for your vehicle.
Not Yet Reviewed
$27.99
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$87.99
